Home / 154,141.75-231,212.63-43,333.75

Finding the Fourth Proportional to 154,141.75, 231,212.63 and 43,333.75

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Solution

The fourth proportional to 154,141.75, 231,212.63 and 43,333.75 is: 65,000.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,141.75 : 231,212.63 = 43,333.75 : x
  2. Step 2: Convert to fraction form
    154,141.75/231,212.63 = 43,333.75/x
  3. Step 3: Cross multiply
    154,141.75x = 231,212.63 × 43,333.75
  4. Step 4: Simplify right side
    154,141.75x = 10,019,310,305.26
  5. Step 5: Solve for x
    x = 10,019,310,305.26/154,141.75
  6. Step 6: Final answer
    x = 65,000.63

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.